Base | Representation |
---|---|
bin | 11010001110100… |
… | …10001101101101 |
3 | 120022222211200020 |
4 | 31013102031231 |
5 | 422310412141 |
6 | 33455352353 |
7 | 5311040355 |
oct | 1507221555 |
9 | 508884606 |
10 | 220013421 |
11 | 103212381 |
12 | 618226b9 |
13 | 36773874 |
14 | 21311b65 |
15 | 144ae266 |
hex | d1d236d |
220013421 has 8 divisors (see below), whose sum is σ = 300506304. Its totient is φ = 143098080.
The previous prime is 220013399. The next prime is 220013447. The reversal of 220013421 is 124310022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220013421 - 25 = 220013389 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 220013421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220013221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894241 + ... + 894486.
It is an arithmetic number, because the mean of its divisors is an integer number (37563288).
Almost surely, 2220013421 is an apocalyptic number.
It is an amenable number.
220013421 is a deficient number, since it is larger than the sum of its proper divisors (80492883).
220013421 is a wasteful number, since it uses less digits than its factorization.
220013421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1788771.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 220013421 is about 14832.8493891093. The cubic root of 220013421 is about 603.6933491933.
Adding to 220013421 its reverse (124310022), we get a palindrome (344323443).
The spelling of 220013421 in words is "two hundred twenty million, thirteen thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •